diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/graphite/interchange-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/graphite/interchange-2.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/graphite/interchange-2.c b/gcc/testsuite/gcc.dg/graphite/interchange-2.c new file mode 100644 index 00000000000..5a64f9a6f47 --- /dev/null +++ b/gcc/testsuite/gcc.dg/graphite/interchange-2.c @@ -0,0 +1,24 @@ +/* Formerly known as ltrans-2.c */ + +double u[1782225]; +int foo(int N, int *res) +{ + unsigned int i, j; + double sum = 0; + + /* This loop should be converted to a perfect nest and + interchanged. */ + for (i = 0; i < N; i++) + { + for (j = 0; j < N; j++) + { + sum = sum + u[i + 1335 * j]; + if (j == N - 1) + u[1336 * i] *= 2; + } + } + *res = sum + N; +} + +/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" } } */ +/* { dg-final { cleanup-tree-dump "graphite" } } */ |